Bacteria can acquire antibiotic resistance by all of the following except
a. mutation.
b. insertion of transposons.
c. conjugation.
d. snRNPs.
e. transformation.
Although two cells are totally unrelated, one cell receives DNA from the other cell and incorporates this new DNA into its chromosome. This process is ___________.
a. crossing over of DNA from the two cells
b. vertical gene transfer
c. horizontal gene transfer
d. transposition